Marketplace Senior Machine Learning Engineer (Content Understanding)

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As a Senior Machine Learning Engineer, you will be building models for text, image and 3D content understanding to power search, recommendation and personalization across all of the Marketplace. The Marketplace Search and Recommendation team drives the discovery of avatar content, including avatar bodies, clothing, accessories, as well as complete outfits and avatars clothing, both in the Roblox app as well as across Roblox experiences. We are reimagining how the Marketplace can best serve our entire Roblox community including our users and creators. We work on a diverse range of technical problems from new modeling approaches for our deep learning ranking and retrieval models, text and visual content understanding for avatars, integrating long-term rewards into our model objective, and improving query understanding for search ranking. This team also builds and supports the production systems to serve these high-scale search and recommendation requests.

You will:

• Work backwards from product problems to build innovative end-to-end ML solutions for search, recommendation and content understanding. 
• Work with cross-functional teams on defining the roadmap and lead the project execution.
• Build and deliver complex technical projects from the planning stage through execution.
• Define, develop, and implement engineering best practices and strategies.
• Mentor less experienced engineers and help us build a renowned ML team.
• Ensure that our systems are scalable, reliable, and extensible.

You have:

• Battle ready: BS, MS or Ph.D. in computer science, engineering, mathematics, machine learning, (computational) physics or statistics or equivalent experience.
• Experienced: 3+ years experience with one or more of the following areas: computer vision, 3D perception; search, recommendation, or ads experience is a plus.
• Knowledgeable: Experience building and working on end-to-end ML systems, including data analysis, ML modeling and data pipelines.
• Collaborative: You enjoy working with and leading engineers, love to earn their respect and can help them to accomplish the impossible.
• Creative: You take a creative and strategic approach to solving hard people and technical problems. You engage well with Product and can navigate an organization to promote clarity and improvement.